RTIP__Sockets.cpp | searchcode

/MicroFrameworkPK_v4_1/DeviceCode/pal/rtip/SocketsDriver/RTIP__Sockets.cpp

https://bitbucket.org/pmfsampaio/netmf-lpc
C++ | 1173 lines | 940 code | 199 blank | 34 comment | 122 complexity | 3cc24146db95ce9787836cddf0e2dbf6 MD5 | raw file

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

// Copyright (c) Microsoft Corporation.  All rights reserved.

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////



#include "RTIP_sockets.h"

#include "net_decl.h"

#include "xnconf.h"

#include "rtipconf.h"

#include "rtipapi.h"

#include "socket.h"

#include "pollos.h"

#include "bget.h"

#include "rtpnet.h"

#include "dhcpcapi.h"

#include "loopback_driver.h"

#include "rtipext.h"

#include "rtpnet.h"

/* JRT */

#include "rtpprint.h"



//--//

/* JRT */

extern int default_mcast_iface;



extern const HAL_CONFIG_BLOCK   g_NetworkConfigHeader;

extern LOOPBACK_Driver          g_LOOPBACK_Driver;

extern NETWORK_CONFIG           g_NetworkConfig;



//--//



#if defined(DEBUG)

#define DEBUG_HANDLE_SOCKET_ERROR(t,a) \

    int iErr = xn_getlasterror();                               \

    const char* textErr = xn_geterror_string(iErr);             \

    debug_printf( "%s failed! %d: %s\r\n", t, iErr, textErr );  \

    ASSERT(!(a))

#else

#define DEBUG_HANDLE_SOCKET_ERROR(t,a) 

#endif



//--//



#if defined(ADS_LINKER_BUG__NOT_ALL_UNUSED_VARIABLES_ARE_REMOVED)

#pragma arm section zidata = "g_RTIP_SOCKETS_Driver"

#endif



RTIP_SOCKETS_Driver g_RTIP_SOCKETS_Driver;



#if defined(ADS_LINKER_BUG__NOT_ALL_UNUSED_VARIABLES_ARE_REMOVED)

#pragma arm section zidata

#endif



//--//



BOOL RTIP_SOCKETS_Driver::Initialize()

{

    NATIVE_PROFILE_PAL_NETWORK();

    IFACE_INFO info;



    memset(g_RTIP_SOCKETS_Driver.m_interfaces, 0, sizeof(g_RTIP_SOCKETS_Driver.m_interfaces));



    /* Initialize the network stack   */

    if (rtp_net_init() != 0)

    {

        DEBUG_HANDLE_SOCKET_ERROR("rtp_net_init", TRUE);

        return FALSE;

    }



#if defined(NETWORK_USE_LOOPBACK)

    // Bind and Open the loopback driver

    g_LOOPBACK_Driver.Bind();

    

    if (g_LOOPBACK_Driver.Open() == SOCK_SOCKET_ERROR)

    {

        DEBUG_HANDLE_SOCKET_ERROR("loopback init", FALSE);

    }

#endif        



    for(int i=0; i<g_NetworkConfig.NetworkInterfaceCount; i++)

    {

        int interfaceNumber;

        

        SOCK_NetworkConfiguration *pNetCfg = &g_NetworkConfig.NetworkInterfaces[i];



        Network_Interface_Bind(i);



        interfaceNumber = Network_Interface_Open(i);

        

        if (interfaceNumber == SOCK_SOCKET_ERROR)

        {

            DEBUG_HANDLE_SOCKET_ERROR("Network init", FALSE);

            debug_printf("SocketError: %d\n", xn_getlasterror());

            continue;

        }



        g_RTIP_SOCKETS_Driver.m_interfaces[i].m_interfaceNumber = interfaceNumber;



        

        UpdateAdapterConfiguration(i, SOCK_NETWORKCONFIGURATION_UPDATE_DHCP | SOCK_NETWORKCONFIGURATION_UPDATE_DNS, pNetCfg);



        // default debugger interface

        if(0 == i)

        {

            // add multicast addresses to the routing table

            UINT32 mcast1 = SOCK_htonl(SOCK_DISCOVERY_MULTICAST_IPADDR);

            UINT32 mcast2 = SOCK_htonl(SOCK_DISCOVERY_MULTICAST_IPADDR_SND);

            UINT32 mask   = SOCK_htonl(SOCK_MAKE_IP_ADDR(255,255,255,255));

            

            if(SOCK_SOCKET_ERROR == xn_rt_add((RTP_PFCUINT8)&mcast1, (RTP_PFUINT8)&mask, (RTP_PFUINT8)0, RT_USEIFACEMETRIC, interfaceNumber, RT_INF))

            {

                DEBUG_HANDLE_SOCKET_ERROR("Multicast xn_rt_add (recv)", FALSE);

            }

            if(SOCK_SOCKET_ERROR == xn_rt_add((RTP_PFCUINT8)&mcast2, (RTP_PFUINT8)&mask, (RTP_PFUINT8)0, RT_USEIFACEMETRIC, interfaceNumber, RT_INF))

            {

                DEBUG_HANDLE_SOCKET_ERROR("Multicast xn_rt_add (send)", FALSE);

            }



            /* JRT - TBD call xn_ip_set_option */

            default_mcast_iface = interfaceNumber;

            

            xn_interface_info(interfaceNumber, &info );



            debug_printf( "ip address from interface info: %d.%d.%d.%d\r\n", (UINT32)info.my_ip_address[0], 

                                                                             (UINT32)info.my_ip_address[1],                                                                 

                                                                             (UINT32)info.my_ip_address[2], 

                                                                             (UINT32)info.my_ip_address[3] );

            

            debug_printf( "mac addrress from interface info: %x.%x.%x.%x.%x.%x\r\n", (UINT32)info.my_ethernet_address[0], 

                                                                                     (UINT32)info.my_ethernet_address[1],                                                                 

                                                                                     (UINT32)info.my_ethernet_address[2], 

                                                                                     (UINT32)info.my_ethernet_address[3],                                                            

                                                                                     (UINT32)info.my_ethernet_address[4], 

                                                                                     (UINT32)info.my_ethernet_address[5] );

        }

    }

    

    return TRUE;

}



BOOL RTIP_SOCKETS_Driver::Uninitialize()

{

    NATIVE_PROFILE_PAL_NETWORK();

    const int c_exitTimeout = 1; // secs

    int exitRetries         = 3; 



    bool fEnabled = INTERRUPTS_ENABLED_STATE();



    if(!fEnabled) ENABLE_INTERRUPTS();



    while(exitRetries--)

    {

        if(!xn_wait_pkts_output( RTP_TRUE, c_exitTimeout * rtp_get_ticks_p_sec() )) break;



        while(HAL_CONTINUATION::Dequeue_And_Execute());

    }



    if(!fEnabled) DISABLE_INTERRUPTS();



#if defined(NETWORK_USE_LOOPBACK)

    // close the loopback driver

    g_LOOPBACK_Driver.Close();

#endif        



    for(int i=0; i<g_NetworkConfig.NetworkInterfaceCount; i++)

    {

    

        UpdateAdapterConfiguration(i, SOCK_NETWORKCONFIGURATION_UPDATE_DHCP_RELEASE, &g_NetworkConfig.NetworkInterfaces[i]);



        Network_Interface_Close(i);

    }

    

    rtp_net_exit();



    return TRUE;

}





SOCK_SOCKET RTIP_SOCKETS_Driver::Socket( int family, int type, int protocol ) 

{ 

    NATIVE_PROFILE_PAL_NETWORK();

    SOCK_SOCKET socketHandle;

    int         nativeType;

    int         nativeFamily; 

    

    

    switch(type)

    {

        case SOCK_SOCK_STREAM:

            nativeType = RTP_NET_SOCK_STREAM;

            break;

        case SOCK_SOCK_DGRAM:   

            nativeType = RTP_NET_SOCK_DGRAM;

            break;

        case SOCK_SOCK_RAW:    

            nativeType = RTP_NET_SOCK_RAW;

            break;

        default:

            nativeType = 0;

            break;

    }

    

    switch (family)

    {

        case SOCK_AF_INET:

            nativeFamily = RTP_NET_AF_INET;

            break;

        default:

            nativeFamily = 0;

            break;

    }

    

    rtp_net_socket((RTP_SOCKET *)&socketHandle, nativeFamily, nativeType, protocol);

    

    return socketHandle;



}



int RTIP_SOCKETS_Driver::Bind( SOCK_SOCKET socket, const SOCK_sockaddr* address, int addressLen  ) 

{ 

    NATIVE_PROFILE_PAL_NETWORK();

 

    int             ret;

    unsigned char  *ipAddr;

    int             port;

    

    

    port    = ((SOCK_sockaddr_in *) address)->sin_port;

    ipAddr  = (unsigned char *) &(((SOCK_sockaddr_in *) address)->sin_addr);

    

    ret = rtp_net_bind ((RTP_HANDLE) socket, 

                           ipAddr, 

                           port, 

                           RTP_NET_TYPE_IPV4);

    return ret; 

}



int RTIP_SOCKETS_Driver::Connect(SOCK_SOCKET socket, const SOCK_sockaddr* address, int addressLen) 

{ 

    NATIVE_PROFILE_PAL_NETWORK();

    int ret;

    unsigned char * ipAddr;

    int             port;

    

    ipAddr = (unsigned char *) &(((SOCK_sockaddr_in *) address)->sin_addr);

    port   = ((SOCK_sockaddr_in *) address)->sin_port;

    

    ret = rtp_net_connect ((RTP_HANDLE) socket,

                           ipAddr,

                           port, 

                           RTP_NET_TYPE_IPV4);

    

    return ret;



}



int RTIP_SOCKETS_Driver::Send(SOCK_SOCKET socket, const char* buf, int len, int flags) 

{ 

    NATIVE_PROFILE_PAL_NETWORK();

    int ret;

    

    

    ret = (int) rtp_net_send ((RTP_HANDLE) socket, 

                        (const unsigned char *) buf, 

                        len, flags);

                        

    return ret;

}





int RTIP_SOCKETS_Driver::Recv(SOCK_SOCKET socket, char* buf, int len, int flags)

{ 

    NATIVE_PROFILE_PAL_NETWORK();

    int ret;

    int     nativeFlag;

    

    switch (flags)

    {

        case SOCKET_READ_PEEK_OPTION:

            nativeFlag = RTP_NET_MSG_PEEK;

            break;

        default:

            nativeFlag = flags;

            break;

    }

    

    ret = (int) rtp_net_recv ((RTP_HANDLE) socket, 

                               (unsigned char *) buf, 

                                len, nativeFlag);

                                

    return ret;

}



int RTIP_SOCKETS_Driver::Close(SOCK_SOCKET socket)

{ 

    NATIVE_PROFILE_PAL_NETWORK();

    int ret;

    

    ret = rtp_net_closesocket((RTP_HANDLE) socket);

    

    return ret;

}



int RTIP_SOCKETS_Driver::Listen(   SOCK_SOCKET socket, 

                                        int backlog )

{

    int ret;

    

    ret = rtp_net_listen ((RTP_HANDLE) socket, 

                            backlog);

    

    return ret;

}



SOCK_SOCKET RTIP_SOCKETS_Driver::Accept(    SOCK_SOCKET socket, 

                                            SOCK_sockaddr* address, 

                                            int* addressLen )

{ 

    

    SOCK_SOCKET     ret = SOCK_SOCKET_ERROR;

    int             type = RTP_NET_TYPE_IPV4;



    unsigned long   addr = address == NULL? 0: ((SOCK_sockaddr_in *) address)->sin_addr.S_un.S_addr;

    int             port = address == NULL? 0: ((SOCK_sockaddr_in *) address)->sin_port;

    

    rtp_net_accept ((RTP_SOCKET *) &ret, 

                    (RTP_SOCKET) socket,

                    (unsigned char*)&addr,

                    &port, 

                    &type);



    if(address)

    {

        ((SOCK_sockaddr_in *) address)->sin_addr.S_un.S_addr = addr;

        ((SOCK_sockaddr_in *) address)->sin_port             = port;

        ((SOCK_sockaddr_in *) address)->sin_family           = RTP_NET_AF_INET;

    }

    

    return ret;

}



int RTIP_SOCKETS_Driver::Shutdown( SOCK_SOCKET socket, 

                                        int how )

{

    int ret;

    

    ret = rtp_net_shutdown ((RTP_HANDLE) socket, how);

    

    return ret;

}



int RTIP_SOCKETS_Driver::GetAddrInfo(  const char* nodename, 

                                            char* servname, 

                                            const SOCK_addrinfo* hints, 

                                            SOCK_addrinfo** res )

{ 

    if(res == NULL || nodename == NULL) 

    {

        set_errno(EINVAL);

        return SOCK_SOCKET_ERROR;

    }





    *res = NULL;



    PFHOSTENT pHost = NULL;

    struct hostentext localHost;



    if(nodename[0] == '\0')

    {

        IFACE_INFO info;



        if(SOCK_SOCKET_ERROR != xn_interface_info(g_RTIP_SOCKETS_Driver.m_interfaces[0].m_interfaceNumber, &info ))

        {

            memset(&localHost, 0, sizeof(localHost));



            localHost.ip_addr.s_un.S_addr = *(UINT32*)info.my_ip_address;



            pHost = &localHost;

        }

    }

    else

    {

        // this method will be called to get both IP address from name and name from IP address, so nodename

        // can either be "www.xxx.com" or "xxx.xxx.xxx.xxx".  Therefore we will need to first get the IP bytes

        // gethostbyname will do this for either name or IP format, then we will need to get the name

        // by calling gethostbyaddr to get the host name.



        // first call is to get the IP bytes from string version (name or IP)

        pHost = gethostbyname((RTP_PFCHAR)nodename);



        // second call to get the host name

        if(pHost != NULL)

        {

            pHost = gethostbyaddr((RTP_PFCHAR)&pHost->ip_addr.s_un.S_addr, sizeof(UINT32), PF_INET);



            if(!pHost)

            {

                DEBUG_HANDLE_SOCKET_ERROR( "gethostbyaddr", FALSE );

            }

        }

        else

        {

            DEBUG_HANDLE_SOCKET_ERROR( "gethostbyname", FALSE );



        }

    }



    if(pHost)

    {

        SOCK_addrinfo* pAddrInfo = (SOCK_addrinfo*) private_malloc(sizeof(SOCK_addrinfo));



        if(pAddrInfo)

        {

            memset(pAddrInfo, 0, sizeof(SOCK_addrinfo));



            pAddrInfo->ai_family = RTP_NET_AF_INET;



            SOCK_sockaddr_in *pSockaddr = (SOCK_sockaddr_in*) private_malloc(sizeof(SOCK_sockaddr_in));



            if(pSockaddr)

            {

                memset(pSockaddr, 0, sizeof(SOCK_sockaddr_in));

                

                pSockaddr->sin_addr.S_un.S_addr = pHost->ip_addr.s_un.S_addr;

                pSockaddr->sin_family           = RTP_NET_AF_INET;



                pAddrInfo->ai_addr    = (SOCK_sockaddr*)pSockaddr;

                pAddrInfo->ai_addrlen = sizeof(SOCK_sockaddr_in);

            }



            if(pHost->sz_name != NULL)

            {

                int len = hal_strlen_s(pHost->sz_name);



                if(len > 0)

                {

                    int buffer_size = sizeof(char) * len + 1;

                    

                    pAddrInfo->ai_canonname = (char*) private_malloc(buffer_size);



                    if(pAddrInfo->ai_canonname)

                    {

                        hal_strcpy_s(pAddrInfo->ai_canonname, buffer_size, pHost->sz_name);

                    }

                }

            }

            

            *res = pAddrInfo;

        }

    }

    

    return (*res == NULL? SOCK_SOCKET_ERROR: 0);

}



void RTIP_SOCKETS_Driver::FreeAddrInfo( SOCK_addrinfo* ai )

{ 

    NATIVE_PROFILE_PAL_NETWORK();

    if(ai == NULL) return;



    if(ai->ai_canonname)

    {

        private_free(ai->ai_canonname);

        ai->ai_canonname = NULL;

    }



    if(ai->ai_addr)

    {

        private_free(ai->ai_addr);

        ai->ai_addr = NULL;    

    }

    

    private_free(ai);

}



int RTIP_SOCKETS_Driver::Ioctl( SOCK_SOCKET socket, int cmd, int* data )

{ 

    NATIVE_PROFILE_PAL_NETWORK();

    int ret = SOCK_SOCKET_ERROR;

    int blocking = !(*data);

    int nToRead;

    

    switch( cmd )

    {

        case SOCK_FIONBIO:

            ret = rtp_net_setblocking((RTP_SOCKET) socket, 

                                        (unsigned int) blocking);

            break; 

        case SOCK_FIONREAD:

            ret = rtp_net_getntoread ((RTP_SOCKET) socket, 

                                        (unsigned long *) &nToRead);

            *data = nToRead;

            

            if (ret != -1)

            {

                return nToRead;

            }

            break; 

        default:

            ret = 0;

            break;

    }

    

    return ret;

}



int RTIP_SOCKETS_Driver::GetLastError()

{

    NATIVE_PROFILE_PAL_NETWORK();

    int err = 0;

    

    err = rtp_net_getlasterror();



    return GetNativeError(err);

}



int RTIP_SOCKETS_Driver::Select( int nfds, SOCK_fd_set* readfds, SOCK_fd_set* writefds, SOCK_fd_set* exceptfds, const SOCK_timeval* timeout )

{

    NATIVE_PROFILE_PAL_NETWORK();

    int ret;

    

    ret = rtp_net_select ((  RTP_FD_SET  *)   readfds,

                            (RTP_FD_SET  *)   writefds,

                            (RTP_FD_SET  *)   exceptfds,

                            (struct timeval*) timeout);



    if(ret == SOCK_SOCKET_ERROR)

    {

        DEBUG_HANDLE_SOCKET_ERROR("Select failed", FALSE);

    }

    

    return ret;

}



int RTIP_SOCKETS_Driver::SetSockOpt( SOCK_SOCKET socket, int level, int optname, const char* optval, int  optlen )

{ 

    NATIVE_PROFILE_PAL_NETWORK();

    int ret;

    int nativeLevel;

    int nativeOptionName;

    int nativeIntValue;

    char *pNativeOptionValue = (char*)optval;

    

    switch(level)

    {

        case SOCK_IPPROTO_IP:

            nativeLevel = RTP_NET_IPROTO_IP;

            nativeOptionName = GetNativeIPOption(optname);

            break;

        case SOCK_IPPROTO_TCP:    

        case SOCK_IPPROTO_UDP: 

        case SOCK_IPPROTO_ICMP:

        case SOCK_IPPROTO_IGMP:

        case SOCK_IPPROTO_IPV4:

        case SOCK_SOL_SOCKET:

            nativeLevel      = RTP_NET_SOL_SOCKET;

            nativeOptionName = GetNativeSockOption(level, optname);            



            switch(optname)

            {

                case SOCK_SOCKO_EXCLUSIVEADDRESSUSE:

                case SOCK_SOCKO_NOCHECKSUM:

                case SOCK_SOCKO_DONTLINGER:

                    nativeIntValue     = !*(int*)optval;

                    pNativeOptionValue = (char*)&nativeIntValue;

                    break;

                default:

                    break;

            }

            break;

        default:

            nativeLevel         = 0;

            nativeOptionName    = 0;

            break;

    }

    

    ret = rtp_net_setsockoopt((RTP_HANDLE) socket, 

                nativeLevel,

                nativeOptionName, 

                pNativeOptionValue,

                optlen);



    return ret;

    

}



int RTIP_SOCKETS_Driver::GetSockOpt( SOCK_SOCKET socket, int level, int optname, char* optval, int* optlen )

{ 

    NATIVE_PROFILE_PAL_NETWORK();

    int         ret;

    int         nativeLevel;

    int         nativeOptionName;

    

    switch(level)

    {

        case SOCK_IPPROTO_IP:

            nativeLevel = RTP_NET_IPROTO_IP;

            nativeOptionName = GetNativeIPOption(optname);

            break;

        case SOCK_IPPROTO_TCP:    

        case SOCK_IPPROTO_UDP: 

        case SOCK_IPPROTO_ICMP:

        case SOCK_IPPROTO_IGMP:

        case SOCK_IPPROTO_IPV4:

        case SOCK_SOL_SOCKET:

            nativeLevel         = RTP_NET_SOL_SOCKET;

            nativeOptionName    = GetNativeSockOption(level, optname);

            break;

        default:

            nativeLevel         = 0;

            nativeOptionName    = 0;

            break;

    }

    





    ret = rtp_net_getsockopt((RTP_HANDLE)socket, 

                            nativeLevel, 

                            nativeOptionName,     

                            optval, 

                            optlen);



    if(SOCK_SOCKET_ERROR != ret)

    {

        switch(optname)

        {

            case SOCK_SOCKO_NOCHECKSUM:

            case SOCK_SOCKO_EXCLUSIVEADDRESSUSE:

                *((int *) optval) = !*(int*)optval;

                break;

            default:

                break;

        }

    }



    return ret; 

}



int RTIP_SOCKETS_Driver::GetPeerName( SOCK_SOCKET socket, SOCK_sockaddr* name, int* namelen )

{ 

    NATIVE_PROFILE_PAL_NETWORK();

    int             ret;

    unsigned char * ipAddr;

    int             port;

    int             type = RTP_NET_TYPE_IPV4;

    

    ipAddr = (unsigned char *)&(((SOCK_sockaddr_in *) name)->sin_addr);

        

    ret =  rtp_net_getpeername ((RTP_HANDLE) socket, 

                                ipAddr ,

                                &port, 

                                &type);



    ((SOCK_sockaddr_in *) name)->sin_family = RTP_NET_AF_INET;

    ((SOCK_sockaddr_in *) name)->sin_port   = port;

    

    return ret;

}



int RTIP_SOCKETS_Driver::GetSockName( SOCK_SOCKET socket, SOCK_sockaddr* name, int* namelen )

{ 

    NATIVE_PROFILE_PAL_NETWORK();



    int         ret;

    int         port;

    int         type = RTP_NET_TYPE_IPV4;

    

    

    ret = rtp_net_getsockname ((RTP_HANDLE) socket,

                                (unsigned char *) &((SOCK_sockaddr_in *) name)->sin_addr,

                                &port,

                                &type);

    

    ((SOCK_sockaddr_in *) name)->sin_family = RTP_NET_AF_INET;

    ((SOCK_sockaddr_in *) name)->sin_port   = port;

    

    return ret; 

}



int RTIP_SOCKETS_Driver::RecvFrom( SOCK_SOCKET s, char* buf, int len, int flags, SOCK_sockaddr* from, int* fromlen )

{ 

    NATIVE_PROFILE_PAL_NETWORK();

    int             ret;

    int             type;

    int             port;

    UINT32          ipAddr;

    int             nativeFlag;

    

    type = RTP_NET_TYPE_IPV4;

    

    switch (flags)

    {

        case SOCKET_READ_PEEK_OPTION:

            nativeFlag = RTP_NET_MSG_PEEK;

            break;

        default:

            nativeFlag = flags;

            break;

    }

    if(from == NULL)

    {

        ret = (int ) rtp_net_recvfrom ((RTP_HANDLE) s,

                             (unsigned char *)buf, 

                             len,

                             NULL,

                             NULL, 

                             &type,

                             nativeFlag);

    }

    else

    {

        port    = ((SOCK_sockaddr_in *) from)->sin_port;

        ipAddr  = ((SOCK_sockaddr_in *) from)->sin_addr.S_un.S_addr;

    

        ret = (int) rtp_net_recvfrom ((RTP_HANDLE) s,

                             (unsigned char *)buf, 

                             len,

                             (unsigned char*)&ipAddr, 

                             &port,

                             &type, 

                             nativeFlag);



        if (SOCK_SOCKET_ERROR != ret)

        {

            ((SOCK_sockaddr_in *) from)->sin_port             = port;

            ((SOCK_sockaddr_in *) from)->sin_family           = RTP_NET_AF_INET;

            ((SOCK_sockaddr_in *) from)->sin_addr.S_un.S_addr = ipAddr;

        }

    }

        

    return ret; 

}



int RTIP_SOCKETS_Driver::SendTo( SOCK_SOCKET s, const char* buf, int len, int flags, const SOCK_sockaddr* to, int tolen )

{ 

    NATIVE_PROFILE_PAL_NETWORK();

    int    ret;

    UINT32 ipAddr;

    int    port;



    if(to == NULL)

    {

        set_errno(EINVAL);

        return SOCK_SOCKET_ERROR;

    }

    

    ipAddr = ((SOCK_sockaddr_in *) to)->sin_addr.S_un.S_addr;

    port   = ((SOCK_sockaddr_in *) to)->sin_port;



    ret = rtp_net_sendto ((RTP_HANDLE) s,

                                (const unsigned char *) buf, 

                                len,

                                (unsigned char *)&ipAddr,

                                port, 

                                RTP_NET_TYPE_IPV4,

                                flags);



    return ret;

}



UINT32 RTIP_SOCKETS_Driver::GetAdapterCount()

{

    NATIVE_PROFILE_PAL_NETWORK();

    return NETWORK_INTERFACE_COUNT;

}



HRESULT RTIP_SOCKETS_Driver::LoadAdapterConfiguration( UINT32 interfaceIndex, SOCK_NetworkConfiguration* config )

{

    NATIVE_PROFILE_PAL_NETWORK();

    if(interfaceIndex >= NETWORK_INTERFACE_COUNT) 

    {

        return CLR_E_INVALID_PARAMETER;

    }



    memcpy(config, &g_NetworkConfig.NetworkInterfaces[interfaceIndex], sizeof(g_NetworkConfig.NetworkInterfaces[interfaceIndex]));



    if(config->flags & SOCK_NETWORKCONFIGURATION_FLAGS_DHCP)

    {

        IFACE_INFO info;

        

        if(SOCK_SOCKET_ERROR != xn_interface_info(g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_interfaceNumber, &info ))

        {

            config->ipaddr     = *(UINT32*)info.my_ip_address;

            config->subnetmask = *(UINT32*)info.ip_mask;

            config->gateway    = *(UINT32*)info.gateways[0];

            config->dnsServer1 = *(UINT32*)info.dns_servers[0];

            config->dnsServer2 = *(UINT32*)info.dns_servers[1];

        }

        else

        {

            config->ipaddr     = 0;

            config->subnetmask = 0;

            config->gateway    = 0;

        }

    }

    

    

    return S_OK;

}



HRESULT RTIP_SOCKETS_Driver::LoadWirelessConfiguration( UINT32 interfaceIndex, SOCK_WirelessConfiguration* wirelessConfig )

{

    /// Load wireless specific settings if any. You must return S_OK, otherwise default values will be

    /// loaded by PAL.



    return CLR_E_FAIL;

}



HRESULT RTIP_SOCKETS_Driver::UpdateAdapterConfiguration( UINT32 interfaceIndex, UINT32 updateFlags, SOCK_NetworkConfiguration* config )

{

    NATIVE_PROFILE_PAL_NETWORK();

    if(interfaceIndex >= NETWORK_INTERFACE_COUNT) 

    {

        return CLR_E_INVALID_PARAMETER;

    }

    

    BOOL fEnableDhcp = (0 != (config->flags & SOCK_NETWORKCONFIGURATION_FLAGS_DHCP));



    if(0 != (updateFlags & SOCK_NETWORKCONFIGURATION_UPDATE_DHCP))

    {

        if(fEnableDhcp)

        {           

            DHCP_conf    reg_conf;



            memset(&reg_conf, 0, sizeof(reg_conf));

            memset(&g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_currentDhcpSession, 0, sizeof(DHCP_session));



            xn_dhcp_init_conf(&reg_conf);



            g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_currentDhcpSession.packet_style = DHCP_MICROSOFT;



            if (SOCK_SOCKET_ERROR == xn_dhcp(g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_interfaceNumber, &g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_currentDhcpSession, &reg_conf))

            { 

                DEBUG_HANDLE_SOCKET_ERROR("update cfg: xn_dhcp", FALSE); 

                return CLR_E_FAIL;

            }

        }

        else

        {

            if(SOCK_SOCKET_ERROR == rtp_net_set_ip(g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_interfaceNumber, (RTP_PFUINT8)&config->ipaddr, (RTP_PFUINT8)&config->subnetmask))

            {

                DEBUG_HANDLE_SOCKET_ERROR("update cfg: rtp_net_set_ip", FALSE);

                return CLR_E_FAIL;

            }



            UINT32 destMask = SOCK_MAKE_IP_ADDR_LITTLEEND(0,0,0,0);



            if(SOCK_SOCKET_ERROR == xn_rt_add((RTP_PFUINT8)RT_DEFAULT, (RTP_PFUINT8)&destMask, (RTP_PFUINT8)&config->gateway, RT_USEIFACEMETRIC, g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_interfaceNumber, RT_INF))

            {

                DEBUG_HANDLE_SOCKET_ERROR("update cfg: xn_rt_add", FALSE);

                return FALSE;

            }

        }

    }



    if(fEnableDhcp)

    {

        if(0 != (updateFlags & SOCK_NETWORKCONFIGURATION_UPDATE_DHCP_RELEASE))

        {

            if(g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_currentDhcpSession.client_ip != 0)

            {

                if(SOCK_SOCKET_ERROR == xn_dhcp_release(&g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_currentDhcpSession))

                {

                    DEBUG_HANDLE_SOCKET_ERROR("update cfg: xn_dhcp_release", FALSE);

                    /*return CLR_E_FAIL;*/

                }

            }



            memset(&g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_currentDhcpSession, 0, sizeof(DHCP_session));

        }

        if(0 != (updateFlags & SOCK_NETWORKCONFIGURATION_UPDATE_DHCP_RENEW))

        {

            DHCP_conf reg_conf;



            xn_dhcp_init_conf(&reg_conf);



            g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_currentDhcpSession.packet_style = DHCP_MICROSOFT;



            if (SOCK_SOCKET_ERROR == xn_dhcp(g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_interfaceNumber, &g_RTIP_SOCKETS_Driver.m_interfaces[interfaceIndex].m_currentDhcpSession, &reg_conf))

            {

                DEBUG_HANDLE_SOCKET_ERROR("update cfg: xn_dhcp", FALSE);

                return CLR_E_FAIL;

            }

        }

    }

    // when using DHCP do not use the static settings

    else if(0 != (updateFlags & SOCK_NETWORKCONFIGURATION_UPDATE_DNS))

    {

        if(config->dnsServer1 != 0 || config->dnsServer2 != 0)

        {

            xn_set_server_list( NULL, 0);

            

            // add the DNS servers of the config 

            if( config->dnsServer1 != 0)

            {

                RTP_PFCUINT8 dns1 = (RTP_PFCUINT8)&(config->dnsServer1);

                

                if (SOCK_SOCKET_ERROR == xn_add_dns_server( dns1 ))

                {

                    DEBUG_HANDLE_SOCKET_ERROR("update cfg: xn_add_dns_server(1)", FALSE);

                }

            }

            if( config->dnsServer2 != 0)

            {

                RTP_PFCUINT8 dns2 = (RTP_PFCUINT8)&(config->dnsServer2);



                if (SOCK_SOCKET_ERROR == xn_add_dns_server( dns2 ))

                {

                    DEBUG_HANDLE_SOCKET_ERROR("update cfg: xn_add_dns_server(2)", FALSE);

                }       

            }

        }

    }



    if(0 != (updateFlags & SOCK_NETWORKCONFIGURATION_UPDATE_MAC))

    {

        // mac address requires stack re-init

        Network_Uninitialize();

        Network_Initialize();

    }



    if(0 != (config->flags & SOCK_NETWORKCONFIGURATION_FLAGS_DYNAMIC_DNS))

    {

        // the rtip stack doesn't support dynamic dns

        return CLR_E_NOT_SUPPORTED;

    }

    

    return S_OK;

}



int RTIP_SOCKETS_Driver::GetNativeSockOption (int level, int optname)

{

    NATIVE_PROFILE_PAL_NETWORK();

    int nativeOptionName;

    

    switch(optname)

    {

        case SOCK_SOCKO_LINGER:    

        case SOCK_SOCKO_DONTLINGER:

            nativeOptionName = RTP_NET_SO_LINGER;

            break;

        case SOCK_SOCKO_SENDTIMEOUT:          

            nativeOptionName = RTP_NET_SO_SEND_TIMEO;

            break;

        case SOCK_SOCKO_RECEIVETIMEOUT:       

            nativeOptionName = RTP_NET_SO_RCV_TIMEO;

            break;

        case SOCK_SOCKO_EXCLUSIVEADDRESSUSE: 

        case SOCK_SOCKO_REUSEADDRESS:         

            nativeOptionName = RTP_NET_SO_REUSEADDR;

            break;

        case SOCK_SOCKO_KEEPALIVE:  

            nativeOptionName = RTP_NET_SO_KEEPALIVE;

            break;

        case SOCK_SOCKO_ERROR:                  

            nativeOptionName = RTP_NET_SO_ERROR;

            break;

        case SOCK_SOCKO_BROADCAST:              

            nativeOptionName = RTP_NET_IP_OPTS_BROADCAST;

            break;

        case SOCK_SOCKO_RECEIVEBUFFER:

            // for UDP level we use the UDP buffer size

            if(level == SOCK_IPPROTO_UDP || level == SOCK_SOL_SOCKET)

            {

                nativeOptionName =  RTP_NET_SO_RECEIVE_BUFFER;

            }

            // for tcp we use the TCP window size

            // for socket level we use the tcp window size as well, assuming arbitrarily the socket is a tcp socket

            else if(level == SOCK_IPPROTO_TCP) 

            {

                nativeOptionName =  RTP_NET_SO_RCVBUF;

            }

            else

            {

                nativeOptionName = 0;

            }

            break;

        case SOCK_SOCKO_SENDBUFFER:

            // for UDP level we use the UDP buffer size

            if(level == SOCK_IPPROTO_UDP || level == SOCK_SOL_SOCKET)

            {

                nativeOptionName =  RTP_NET_SO_SEND_BUFFER;

            }

            // for tcp we use the TCP window size

            // for socket level we use the tcp window size as well, assuming arbitrarily the socket is a tcp socket

            else if(level == SOCK_IPPROTO_TCP)

            {

                nativeOptionName =  RTP_NET_SO_SNDBUF;

            }

            else

            {

                nativeOptionName = 0;

            }

            break;

        case SOCK_SOCKO_NOCHECKSUM:

            if (level == SOCK_IPPROTO_UDP)

            {

                nativeOptionName = RTP_NET_SO_UDPCKSUM_IN;

            }

            else if (level == SOCK_IPPROTO_TCP)

            {

                nativeOptionName = RTP_NET_SO_NAGLE;

            }

            else

            { 

                nativeOptionName = 0;

            }

            break;    

        case SOCK_SOCKO_ACCEPTCONNECTION:

            nativeOptionName = RTP_NET_SO_ACCEPTCON;

            break;

        case SOCK_SOCKO_TYPE:

            nativeOptionName = RTP_NET_SO_TYPE;

            break;

            

        case SOCK_SOCKO_USELOOPBACK:            //don't support     

        case SOCK_SOCKO_DONTROUTE:              //don't support

        case SOCK_SOCKO_OUTOFBANDINLINE:        //don't support

        case SOCK_SOCKO_SENDLOWWATER:           //don't support

        case SOCK_SOCKO_RECEIVELOWWATER:        //don't dupport

        case SOCK_SOCKO_MAXCONNECTIONS:         //don't support

            nativeOptionName = 0;

            break;

        default:

            nativeOptionName = 0;

            break;

            

    }

    return nativeOptionName;

}



int RTIP_SOCKETS_Driver::GetNativeIPOption (int optname)

{

    NATIVE_PROFILE_PAL_NETWORK();

    int nativeOptionName;

    

    switch(optname)

    {

        case SOCK_IPO_MULTICAST_IF:    

            nativeOptionName = RTP_NET_IP_OPTS_MULTICAST_IF;

            break;         

        case SOCK_IPO_MULTICAST_TTL:   

            nativeOptionName = RTP_NET_IP_OPTS_MULTICAST_TTL;

            break;         

        case SOCK_IPO_MULTICAST_LOOP:

            nativeOptionName = RTP_NET_IP_OPTS_MULTICAST_LOOP;

            break;

        case SOCK_IPO_ADD_MEMBERSHIP:  

            nativeOptionName = RTP_NET_IP_OPTS_ADD_MEMBERSHIP;

            break;         

        case SOCK_IPO_DROP_MEMBERSHIP: 

            nativeOptionName = RTP_NET_IP_OPTS_DROP_MEMBERSHIP;

            break;         

        case SOCK_IPO_IP_DONTFRAGMENT:

            nativeOptionName = RTP_NET_IP_OPTS_DONTFRAG;

            break;

        case SOCK_IPO_TTL:

            nativeOptionName = RTP_NET_SO_IP_TTL;

            break;

        default:

            nativeOptionName = 0;

            break;

    }   

    

    return nativeOptionName;

}   



int RTIP_SOCKETS_Driver::GetNativeError ( int error )

{

    NATIVE_PROFILE_PAL_NETWORK();

    int ret;

    

    switch(error)

    {

        case RTP_NET_EADDRNOTAVAIL:  

            ret = SOCK_EADDRNOTAVAIL;

            break;     

        case RTP_NET_EADDRINUSE:          

            ret = SOCK_EADDRINUSE;

            break;

        case RTP_NET_EAFNOSUPPORT: 

            ret = SOCK_EAFNOSUPPORT;

            break;       

        case RTP_NET_ECONNREFUSED: 

            ret = SOCK_ECONNREFUSED;

            break;       

        case RTP_NET_EDESTADDREQ: 

            ret = SOCK_EDESTADDRREQ;

            break;        

        case RTP_NET_EDESTUNREACH: 

            ret = SOCK_EHOSTUNREACH; 

            break;       

        case RTP_NET_EFAULT: 

            ret = SOCK_EFAULT;

            break;             

        case RTP_NET_EINVAL: 

            ret = SOCK_EINVAL;

            break;             

        case RTP_NET_EISCONN: 

            ret = SOCK_EISCONN;

            break;            

        case RTP_NET_EMFILE: 

            ret = SOCK_EMFILE;

            break;             

        case RTP_NET_ENETDOWN: 

            ret = SOCK_ENETDOWN;

            break;          

        case RTP_NET_ENETUNREACH: 

            ret = SOCK_ENETUNREACH;

            break;        

        case RTP_NET_ENOPROTOOPT: 

            ret = SOCK_ENOPROTOOPT;

            break;        

        case RTP_NET_ENOTCONN: 

            ret = SOCK_ENOTCONN;

            break;          

        case RTP_NET_ENOTINITIALIZED: 

            ret = SOCK_NOTINITIALISED;

            break;    

        case RTP_NET_ENOTSOCK: 

            ret = SOCK_ENOTSOCK;

            break;          

        case RTP_NET_EOPNOTSUPPORT: 

            ret = SOCK_EOPNOTSUPP;

            break;      

        case RTP_NET_ESHUTDOWN: 

            ret = SOCK_ESHUTDOWN;

            break;          

        case RTP_NET_ETIMEDOUT: 

            ret = SOCK_ETIMEDOUT;

            break;   

        case RTP_NET_EWOULDBLOCK:

        case RTP_NET_EOUTPUTFULL:

        case RTP_NET_ENOPKTS:

            ret = SOCK_EWOULDBLOCK;   

            break;                    

        case RTP_NET_EMSGSIZE: 

            ret = SOCK_EMSGSIZE;

            break;           

        case RTP_NET_ENAME_TOO_LONG: 

            ret = SOCK_ENAMETOOLONG;

            break;    

        case RTP_NET_ETRYAGAIN: 

            ret = SOCK_TRY_AGAIN;

            break;          

        case RTP_NET_ENODATA: 

            ret = SOCK_NO_DATA;

            break;            

        case RTP_NET_EPROTONOSUPPORT:

            ret = SOCK_EPROTONOSUPPORT;

            break;

        case RTP_NET_EPFNOSUPPORT:

            ret = SOCK_EPFNOSUPPORT;

            break;

        case RTP_NET_ENORESPONSE:

            ret = SOCK_HOST_NOT_FOUND;

            break;

        case RTP_NET_EACCES:

            ret = SOCK_EACCES;

            break;

        case RTP_NET_EBADRESP:

            ret = SOCK_TRY_AGAIN;

            break;                                

        case RTP_NET_ETNOSUPPORT:

            ret = SOCK_EPROTONOSUPPORT;

            break;

        default:

            ret = error;

            break;

    } 

    

    return (ret);   

}